There has been a growing interest in recent years in mixed-criticality real-time systems in which tasks are attributed different levels of criticality based on the degree to which their deadlines must be assured. While most of the initial efforts on mixed-criticality systems targeted single-processor systems, the research community has recently started to investigate multiprocessor mixed-critic...

Mixed criticality systems offer the opportunity to integrate system components with different levels of assurance that previously may have been placed on different nodes. While the vast majority of mixed criticality work features a HI and a LO criticality level, LO criticality tasks should not be mistaken for tasks with little value. Such tasks might contain mission critical functionality and a...

A new indexing method is presented which is capable of indexing multiple crystal lattices from narrow wedges of diffraction data. The method takes advantage of a simplification of Fourier transform-based methods that is applicable when the unit-cell dimensions are known a priori. The efficacy of this method is demonstrated with both semi-synthetic multi-lattice data and real multi-lattice data ...

Zero-Slack Rate-Monotonic (ZSRM) is a family of mixed-criticality schedulers which are based on fixed-priority preemptive scheduling. One scheduler (which we call ZSRMS) [5] works as follows: a job J is suspended at time t if at time t there is a higher-criticality job J ′ that has not finished and t minus the arrival time of J ′ exceeds a pertask configurable parameter (which we call zero-slac...

The state-of-the-art models and schedulability analysis for mixed-criticality multicore systems overlook lowlevelaspects of the system. To improve their credibility, we therefore incorprate, in this work, the effects of delays from memory contention on a shared bus. Specifically, to that end, we adopt the predictable memory reservation mechanism proposed by the Single Core Equivalence framework...

Although many cyber-physical systems are both mixed-criticality system and compositional system, there are little work on intersection of mixed-criticality system and compositional system. We propose novel concepts for task-level criticality mode and reconsider temporal isolation in terms of compositional mixed-criticality scheduling.

We study the self-duality operator on conic 4-manifolds. The self-duality operator can be identified as a regular singular operator in the sense of Brüning and Seeley, based on which we construct its parametrizations and closed extensions. We also compute the indexes.

Ongoing research is discussed on the development of operating-system support for enabling mixed-criticality workloads to be supported on multicore platforms. This work is motivated by avionics systems in which such workloads occur. In the mixed-criticality workload model that is considered, task execution costs may be determined using more-stringent methods at high criticality levels, and lesss...

A natural generalization of the criticality notion in a network with fuzzy activity times is given. It consists in direct application of the extension principle of Zadeh to the notion of criticality of a path (an activity, an event) treated as a function of the activities duration times in the network. There are shown some relations between the notion of fuzzy criticality, introduced in the pap...